I've been dating my girlfriend for around 4 months now, she's an 18 year old international student looking to stay in my country, pursuing health sciences in the biggest and most respected university of my country. I'm in my twenties. So far she has displayed quite some RP traits and some basic qualities. I'll detail her as much as I can.

Traits that I appreciate:

She cooks for me

Takes care of me when I'm sick

Helps me study

Treats me to dinner

Never asks me to pay anything

Quite Innocent(this is fairly obvious, and even more obvious that she is not faking it, given our interactions since the beginning of the relationship)

Traits that she has but would not make a difference to me:

HB8.5

Quite Wealthy (I don't know exactly, but what she pays in 3 semesters of tuition is what I will pay in total for 8 years of all my education, and she does not seem bothered by paying such amount)

Not really jealous, but rarely she will ask who is this or that girl(for me this seems like a simple sign of caring, not really a bad aspect of her).

Now that I've described her, here is my current situation:

Everything is going great, we have sex almost twice a day(she was a virgin), I used to text her a lot, now I've set the pace and don't text her as much. The big thing, is that she thinks I'm hilarious. I tend to make simple silly jokes with no much effort and she loves that shit. My problem is that I feel like I completely lose frame and start acting all lovey-dovey, which doesn't necessarily result into anything bad in general, since she keeps laughing and all of that, but I don't think(not sure to be honest) I wanna be a clown-like boyfriend. Maybe I'm just overthinking and this is all bullshit, I don't know.

Is there anything to fix here? Any criticism is good criticism. Thanks.